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Batch Reads
Spark DataSource API Daft Spark DataSource API The hudi-spark module offers the DataSource API to read a Hudi table into a Spark DataFrame. A time-travel query example: val ... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy evolve inv... -
Software Requirements
On each of your hosts: yum and rpm (RHEL/CentOS/Oracle/Amazon Linux) zypper and php_curl (SLES) apt (Debian/Ubuntu) scp , curl , unzip , tar , wget , and gcc* OpenSSL (v1.... -
7.15 For hardcore HTML users (*)
In Section 6.12 , we mentioned that if you feel the constraint of Markdown (due to its simplicity) is too strong, you can embed code chunks in a pure LaTeX document instead of Mar... -
3.5 R Markdown Notebooks
As mentioned in Section 2.2 of the R Markdown Definitive Guide (Xie, Allaire, and Grolemund 2018 ), there are several ways to compile an Rmd document. One of them is to use R Mar... -
5.3 Control the width of text output
Sometimes the text output printed from R code may be too wide. If the output document has a fixed page width (e.g., PDF documents), the text output may exceed the page margins. Se... -
Emily Riederer
Emily Riederer works in data science for the consumer finance industry where she leads a team to build analysis tools in R and cultivate an open science culture in industry. Previ... -
4.12 Preserve a large number of line breaks
References Markdown users may be surprised to realize that whitespaces (including line breaks) are usually meaningless unless they are used in a verbatim environment (code blocks... -
Configure Postgres to Allow Remote Connections
About This Task Steps About This Task It is critical that you configure Postgres to allow remote connections before you deploy a cluster. If you do not perform these steps in ... -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s...